Amateur Radio Education Alliance (AREA)

American Radio Relay League (ARRL)

Amateur Radio Research and Development Corporation (AMRAD)

International Morse Preservation Society (FISTS)

No-Code International (NCI)

Old Old Timers Club (OOTC)

Quarter Century Wireless Association (QCWA)

Radio Amateur Satellite Corporation (AMSAT)

Six Meter International Radio Klub (SMIRK)

Ten-Ten International Net

Tucson Amateur Packet Radio (TAPR)

Western States Weak Signal Society (WSWSS)